18 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
box, pain with wrist ... dislocation) • Disposition ... #Dissociation #TerryThomas ... #Wrist #Scaphoid ... XRay #Diagnosis #Management
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... injury • ED Management ... consult: Yes • Disposition ... #Carpal #Radiology ... XRay #Diagnosis #Management
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... fractures • ED Management ... consult: No • Disposition ... Triquetrum #Fracture #Wrist ... XRay #Diagnosis #Management
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... The proximal carpal ... deviation of the wrist ... ECRB) The distal carpal ... returns to its usual position
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
commonly fractured carpal ... dislocation • ED Management ... dissociation) • Disposition ... Scaphoid #Fracture #Wrist ... XRay #Diagnosis #Management
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... injury, acute carpal ... injury) • ED Management ... or Barton • Disposition ... XRay #Diagnosis #Management
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... "waiter's tip" position ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
swollen forearm and wrist ... pronation and at wrist ... injuries: Rare • ED Management ... consult: Yes • Disposition ... XRay #Diagnosis #Management
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
joints (shoulders, wrists ... atypical locations: Wrist ... Monosodium urate deposition ... knees, fingers, wrist ... Gout #Comparison #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Discontinuation of causal ... Usual therapeutic management ... comparison #table #rheumatology ... #diagnosis #management